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BMW Gaskets, Gasket Sets, Seals, & O-Rings for BMW 3 Series E30 (1984-1991)

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Gaskets are key to a properly running and clean engine. They obviously prevent fluid leaks but they're also critical in keeping air either in or out... Air leaks after the air flow meter, also known as vaccum leaks, can induce lean running conditions, fault codes, and poor running conditions. Other seals and gaskets are designed to keep air in. With the sensitivity of OBD systems, leaks will lead to fault codes very quickly which can be tough to diagnose and prevent you from passing state inspections.

We insist on Original BMW or OEM gaskets whenever possible.

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Rein Rear Crankshaft Seal - E30, E32, E34, E36, E39, E46, E53, E60, E...

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T#:361056

Part#: 11142249533

In Stock at Vendor

$ 22.99 USD

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$ 22.99 USD

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Replace when doing a clutch job.

OEM Rein Oil Cooler Line O-Ring - Multiple BMWs

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T#:15159

Part#: 17222245358

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$ 4.99 USD

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$ 4.99 USD

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This is the sealing o-ring used for many oil cooler kits on various BMW models. They're also a prime source for oil leaks because the o-ring gets 'flat' or shrinks or becomes damaged. These are usually easy to change though which puts an end to annoying small oil leaks.

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Crankshaft Seal - Front

T#:594914

Part#: 11141275466

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$ 15.99 USD

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$ 15.99 USD

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The front seal or crankshaft seal is one of the most difficult to replace. However, they often fail, and when they do, your car will be marking it's territory with little oil drops wherever you park. Apart from making a mess, it can also cause oil to come in contact with the pulley surfaces. Replace yours and keep your oil in your engine.

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Rein O-Ring - E28, E30, E34

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T#:6693

Part#: 11151714390

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$ 6.99 USD

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$ 6.99 USD

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OEM BMW ENGINE O-RING 11151714390

Rear Crankshaft Seal

T#:594912

Part#: 11141706785

In Stock

$ 42.99

This product was last offered at the strikethrough price on
06-08-2026

$ 19.99 USD

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$ 19.99 USD

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The rear main oil seal or crankshaft seals is one of the most difficult to replace. However, they often fail, and when they do, your car will be marking it's territory with little oil drops wherever you park. Apart from making a mess, it can also cause oil to come in contact with the clutch surface. Replace yours and keep your oil in your engine.

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Rein Oversize Valve Guide

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T#:379717

Part#: 11121735533

In Stock

$ 9.67 USD

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$ 9.67 USD

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12.7mm (+0.2mm)

Crankshaft Seal - Front

T#:17871152

Part#: 11141275466

In Stock

Sale - Save 15% $ 8.99

This product was last offered at the strikethrough price on
05-03-2026

$ 7.64 USD

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Qty

Sale - Save 15%

$ 8.99

This product was last offered at the strikethrough price on
05-03-2026

$ 7.64 USD

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Rein o-ring - E30, E34

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T#:379686

Part#: 12611277602

Ships in 3 Business Days

$ 7.13 USD

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$ 7.13 USD

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42x3. Found in the oil pan.

General Purpose Clamp - Priced Each

T#:594670

Part#: 64218367179

In Stock at Vendor

$ 3.99

This product was last offered at the strikethrough price on
05-07-2026

$ 2.99 USD

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$ 2.99 USD

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Clamps are like bolts and nuts, as you can never have enough of them. If you do work on your vehicle in your home, you are going to need clamps often. If you need one clamp, why not get a few to ensure that you are always prepared.

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Rein Front Camshaft Seal - E28, E30, E34

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:379646

Part#: 11121285609

In Stock at Vendor

$ 11.99 USD

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$ 11.99 USD

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Found in lower timing cover

Crankshaft Seal - Front

T#:594918

Part#: 11141439570

In Stock at Vendor

$ 24.57

This product was last offered at the strikethrough price on
06-03-2026

$ 24.51 USD

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$ 24.51 USD

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The front seal or crankshaft seal is one of the most difficult to replace. However, they often fail, and when they do, your car will be marking it's territory with little oil drops wherever you park. Apart from making a mess, it can also cause oil to come in contact with the pulley surfaces. Replace yours and keep your oil in your engine.

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Rein Intake Gasket - E30, E34

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T#:591832

Part#: 11611726010

Ships in 3 Business Days

$ 4.99 USD

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$ 4.99 USD

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4 required

Corteco Valve Stem Seal - E30 M10 M42 S14, E36 M42 M44

T#:596693

Part#: 11341288544

Ships in 1 day

$ 10.99 USD

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$ 10.99 USD

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Failed valve stem seals are a common cause of a smoking tail pipe on startup. Replacement is a good idea if you're already doing any other work on the cylinder head. Located between the valve spring and the valve guide - 8 required

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